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Tema [17]
2 years ago
6

Someone help Me with this please!!‼️

Mathematics
1 answer:
WINSTONCH [101]2 years ago
8 0

Answer:

7

Step-by-step explanation:

f(X)= 7-2x

f(3) means u have to put the value of 3 in the given equation so it will be

= 7-2×3

= 7-6

= 1

and now you have to add 6 to it so it will be 7.

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A square field has an area of 479 ft what is the approximate length of a size of the field
MissTica

Answer:

21.9 ft

Step-by-step explanation:

The area of a square is the square of the side length, so the side length is the square root of the area:

... s = √(479 ft²) ≈ 21.886 ft

This is approximately 21.9 ft.

4 0
2 years ago
For a saturday matinee, adult tickets cost $5.50 and kids under 12 pay only $3.00. if 90 tickets are sold for a total of $395, h
juin [17]
Kids - 40 ticketsadults - 50 tickets
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3 years ago
Find f(-2) if f(x) = x + x + 7. f(-2) =
Lynna [10]

Answer:

f(-2) = 9

Step-by-step explanation:

Given that,

f(x) = x² + x + 7

We need to find the value of f(-2).

Put x = -2 in the given function.

f(-2) = (-2)² + (-2) + 7

= 4-2+7

= 9

Hence, the value of f(-2) is equal to 9.

3 0
2 years ago
how much of brand A fruit punch (20% fruit juice) must be mixed with 9 L of brand b fruit punch (40% fruit juice) to create a m
leonid [27]

6 liters of brand A fruit punch must be mixed with 9 L of brand b fruit punch.

Let x=liters of Brand A fruit punch to be mixed with 9 liters of Brand B fruit punch.

x + 9 = liters of mixture.

20%(x) + 9*40% = 32%(x+9)

20/100 x + 9*40/100 = 32/100 (x+9)

0.2x + 360/100 = 0.32x + 9*0.32

0.2x + 3.6 = 0.32x + 2.88

0.12x = 3.6 - 2.88

0.12x = 0.72

divide by 0.12 on both sides

x = 0.72/0.12

= 72/100/12/100

= 72/12

= 6 liters.

Therefore 6 liters of brand A fruit punch must be mixed with 9 L of brand b fruit punch.

Learn more about the fruit punch here:

brainly.com/question/28658426

#SPJ1

6 0
9 months ago
HELPPP <br> 8g + 25 = 97<br> Solve for G
RoseWind [281]

Answer: 120 g

Step-by-step explanation:

4 0
2 years ago
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